I've attached a minimal reproduction project
just open, set your release key, apk expansion salt and public key, export without debug, install on device, copy main.1.org.godotengine.androidobbgdn.obb to /sdcard/Android/obb/org.godotengine.androidobbgdn/
Using the latest binaries from https://github.com/TGRCdev/gdsqlite-native/releases with Godot v3.2.1.stable.official db.open() crashes on android when compiled on release with apk expansion turned on.
I've attached a minimal reproduction project just open, set your release key, apk expansion salt and public key, export without debug, install on device, copy main.1.org.godotengine.androidobbgdn.obb to /sdcard/Android/obb/org.godotengine.androidobbgdn/
adb push main.1.org.godotengine.androidobbgdn.obb /sdcard/Android obb/org.godotengine.androidobbgdn
The app will crash on startup at db.open()
android-obb-gdn.tar.gz